1999
DOI: 10.1039/a808676a
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Monothiols derived from glycols as agents for stabilizing gold colloids in water: synthesis, self-assembly and use as crystallization templates

Abstract: Tetraethylene glycol (HO-(C 2 H 4 O) 4 -H ) can be monofunctionalized by replacing one of the terminal hydroxy groups with the thiol SH group. The resulting molecule can be self-assembled on gold (111) surfaces. More importantly, this molecule allows the simple one-step preparation of protected, water-soluble gold colloids within a single aqueous phase. Attempts are made to use such protected water-soluble colloids as nucleating 'seeds' around which calcium carbonate can be crystallized.

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Cited by 49 publications
(45 citation statements)
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“…ethylene glycol, and peptides have been used to produce SAMs. [12][13][14][15][16] SAMs offer a much greater degree of control over the interactions of the ligand shell with the biological environment compared with polymer-based ligand shells. They allow, for example, the precise control of the stoichiometry of biofunctionalization.…”
Section: Introductionmentioning
confidence: 99%
“…ethylene glycol, and peptides have been used to produce SAMs. [12][13][14][15][16] SAMs offer a much greater degree of control over the interactions of the ligand shell with the biological environment compared with polymer-based ligand shells. They allow, for example, the precise control of the stoichiometry of biofunctionalization.…”
Section: Introductionmentioning
confidence: 99%
“…Water soluble colloids have been prepared through the use of thiols that serve as an in situ agent for protection and capping. [10] The crystallization of biominerals such as calcium carbonate [11] and iron hydroxides [12] on gold surfaces modified with different thiols has been extended to the use of protected colloids as crystallization nuclei. [13] Sticky colloids that can be used in the construction of complex composites have been prepared by means of protecting groups.…”
Section: Introductionmentioning
confidence: 99%
“…Since most preparations lead to materials that are insoluble in water a comparatively small number of studies have been carried out in aqueous systems. [9][10][11][12][13][14][15][16][17][18] In particular, in view of future bioanalytical applications it is, however, desirable to develop new MPC systems that are not only stable and soluble in water, but also capable of molecular recognition in aqueous systems. Very stable, yet chemically versatile watersoluble MPCs are obtained when a sulfanylalkyl oligo(ethylene glycol) is used as a stabilizing ligand.…”
mentioning
confidence: 99%